General Knowledge Question Answer: Biology GK Questions and Answers

General Knowledge Biology Questions, Biology Quiz for Competitive Exams, Important Biology MCQs for GK

Q. The edible potato is the modified form of which part of the plant?
1) Roots
2) Stem
3) Flower
4) None of these

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Q. Why does a foul smell emanate from some ponds, tanks, etc.?
1) Pesticides and other organic chemicals reach the water body and kill off fishes, etc., living therein, causing the foul smell
2) Fertilizers used in farming reach the water body and give rise to excessive growth of aqueous plants. When these plants die, excessive growth of aqueous plants. When these plants die, excessive quantities of organic matter are collected, depleting dissolved oxygen and causing foul smell
3) Household wastes contain small quantities of mercury, cadmium, copper, zinc, etc., which pollute the water bodies, causing the death of fishes and other aquatic organisms and leading to foul smell
4) None of the above

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Q. Synthetic rubbers are made by polymerisation of
1.Chloroprene
2.Styrene butadiene mixture
3.Isobutylene
Select the correct answer using the above codes:

1) 1 and 3
2) 2 only
3) 1,2 and 3
4) 3 only

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Q. Wuchereria bancrofti is a parasite related to:
1) Certain forms of malaria
2) Gingivitis
3) Lymphatic filariasis
4) Kala-azar

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Q. Which of the following is NOT a viral disease?
1) Japanese encephalitis
2) Hepatitis
3) Chikungunya
4) Elephantiasis

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Q. Which of the following pairs is NOT correctly matched?
Enzyme:Function/Characteristic

1) Trypsin: curdles the milk protein caesin
2) Zymase: Converts sugar to alcohol
3) Pepsin: Changes proteins into peptones
4) Ptyalin: Changes starch to maltose

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Q. Which one of the following is likely to give the most accurate picture of cell differentiation process?
1) Genomic studies
2) Proteomic studies
3) Apoptosis studies
4) Ribozyme studies

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Q. Which of the following pairs is NOT correctly matched?
1) Vitamin B1 : Thiamine
2) Vitamin B2 : Riboflavin
3) Vitamin B12 : Cobalanin
4) Vitamin B6 : Ascorbic Acid

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Q. Jamun-fruit has purple colour due to the presence of
1) Cartene
2) Anthoxanthin
3) Anthocyanin
4) Leucoanthocyanin

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Q. Soya bean is rich in -
1) Proteins
2) Vitamin C
3) Vitamin D
4) Vitamin A

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